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Viscoelastic relaxation in methylurea-sodium thiocyanate liquid mixtures

โœ Scribed by G Vitali; S Mauri; F Castellani

Publisher
Elsevier Science
Year
2004
Tongue
English
Weight
122 KB
Volume
111
Category
Article
ISSN
0167-7322

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โœฆ Synopsis

Shear impedance in the frequency range 12-80 MHz, and density, viscosity and electrical conductivity of some CH NHCONH -NaSCN liquid mixtures were measured at different temperatures. The real parts of the complex mechanical 3 2 impedance and of the complex rigidity modulus were determined by employing the ultrasonic technique. Some mixtures showed the relaxation region fitted by the modified Barlow-Erginsav-Lamb (B.E.L.) model and shifted towards higher frequency in comparison to the Maxwell model.

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